De La Salle High school in Concord (Calif.) is known for producing football talent, but few are as big as Kahlil McKenzie. The 6-foot-3, 315-pound defensive lineman and his play in the trenches helped the Spartans reach a CIF State Championship game. McKenzie's play also helped him land an invitation to USC for a junior event, which he took advantage of. Go inside for all the details of his trip to USC.